| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: invention relates to metallurgy field, particularly to contents of cast iron. Cast iron contains components in a following ratio, wt %: carbon 3.0-3.8; silicon 0.8-1.0; manganese 2.0-2.4; nickel 2.2-2.6; titanium 0.1-0.2; aluminium 0.3-0.4; cobalt 0.3-0.4; boron 0.03-0.05; nitrogen 0.005-0.007; iron - the rest. ^ EFFECT: hardening of cast iron. ^ 1 tbl |
